What it is the value for x and y​

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Which statements are true about additional information for proving that the triangles are congruent check all that apply